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When placing the timer_start trace point before the timer wheel bucket index is calculated, the index information in the trace point is useless. It is not possible to simply move the debug_activate() call after the index calculation, because debug_object_activate() needs to be called before touching the object. Therefore split debug_activate() and move the trace point into enqueue_timer() after the new index has been calculated. The debug_object_activate() call remains at the original place. Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: fweisbec@gmail.com Cc: peterz@infradead.org Cc: Steven Rostedt <rostedt@goodmis.org> Link: https://lkml.kernel.org/r/20190321120921.16463-3-anna-maria@linutronix.de
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.